October 27, 1904
The first underground New York City Subway line opens; the system becomes the biggest in United States, and one of the biggest in world.
City Hall subway station
The New York City Subway is a rapid transit system owned by the City of New York and leased to the New York City Transit Authority, a subsidiary agency of the Metropolitan Transportation Authority and also known as MTA New York City Transit. It is one of the oldest and most extensive public transportation systems in the world, with 468 stations in operation (421, if stations connected by transfers are counted as single stations);209 mi (337 km) of routes, translating into 656 miles (1,056 km) of revenue track; and a total of 842 miles (1,355 km) including non-revenue trackage. In 2010, the subway delivered over 1.604 billion rides, averaging over five million (5,156,913 rides) on weekdays, over three million (3,031,289 rides) on Saturdays, and over two million (2,335,077 rides) on Sundays.
, New York City
December 15, 1906The London Underground's Great Northern, Piccadilly and Brompton Railway opens.
The Great Northern, Piccadilly and Brompton Railway (GNP&BR), also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus Railway (B&PCR) and the Great Northern and Strand Railway (GN&SR). It also incorporated part of a tube route planned by a third company, the Metropolitan District Railway (MDR). The combined company was a subsidiary of the Underground Electric Railways Company of London (UERL).
July 19, 1900The first line of the Paris Métro opens for operation.
Paris Métro Line 1 is one of the sixteen lines composing the Paris Métro (in Paris, France). It connects the La Défense – Grande Arche and Château de Vincennes stations. With a 16.5 km length, it constitutes an "East-West" route transportation important for the City of Paris. Excluding RER (French: Réseau Express Régional) lines, it is the most utilised subway line on the network with 213 million travellers in 2008 and 725,000 people per day on average.